Perhaps you should try some spelling variations:
thuat chuong » thuat cong, thuat hung, thuat song
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
ho chieu » hoc thieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) sach - thanh tung ((tuan nhung) or (thuat chuong)) cong ban toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh tung ((tuan nhung) OR (thuat chuong)) cong ban toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh tung ((tuan nhung) or (thuat chuong)) cong ban toan cao*".